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Active Fuel Management
Thursday, December 20th, 2018 at 12:00 am in On The Line

Active Fuel Management

It Can Pose Some Challenging Diagnostics

Customer complaints of chirping, ticking, squealing or squeaking sounds accompanied with misfire codes stored may be the result of valve lifter or camshaft failures on vehicles equipped with Active Fuel Management (AFM), sometimes referred to as Displacement on Demand (DOD). Pinpointing the source of the noise can be a challenge for the technician and the repairs can be costly. Diagnosing any engine related noise can be a challenge even for the most experienced technician. Some noises can be identified and resolved…

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